COLES, Frederick R. Report on the Stone Circles of the North-East of Scotland, Inverurie District, obtained under the Gunning Fellowship, with Measured Plans and Drawings. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 35, p. 187–248, 1901. DOI: 10.9750/PSAS.035.187.248. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6806. Acesso em: 15 jul. 2024.